The old cinema pictures where taken after we started dismantle the wall absorbers (had some GIK 4").
Yeah a lot of cement/plaster and really too much of a cement bunker ^^.
Yup, there will be double DW+GG on both the inside of the room and also on the outside of the left long wall and back wall. Those 2 walls will have double studs with an airgap between. A lot of Rockwool in the walls.
Javeryh: The Spanish are fond of tiles and cement...very durable materials but not good for acoustics. Good for the outer shell though. So, Ill be going with framing/Rockwool and DW+GG+DW on all sides towards the room. Riser will be fully wood with either OSB or plywood on top as per Bigs suggestions in other threads.
There will be tiles on the cement floor but it will be completely covered in wall to wall carpet. Futureproofing with the tiles underneat if the room will be changed into something else with another property owner etc. Not that I foresee moving in my future but one never knows ^^.
Peter: Yeah, unsure of the Focals with the bigger space, but back in Norway I had them in a similar sized living room and they managed fine to fill that space so I'll test them when the room is ready. Will see how it goes. I think some REW measurements of the speakers in the new space will show how they perform. Btw. Peter I will shamelessly be using a lot of your ideas in my build
, especially your columns and acoustical wall plates/coverings. The difference in our rooms is your added height, I could not get more height here without starting to dig down and that's not worth it. 2,65m is ok though. I think we have roughly the same width and length.
Need more and better subs though. Will be going with 4 total.
Atm. there are no builders on site due to local vacation time but they will be back at it next week.